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Finding the Fourth Proportional to 6,480.99, 9,723.53 and 2,320.89

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Solution

The fourth proportional to 6,480.99, 9,723.53 and 2,320.89 is: 3,482.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,480.99 : 9,723.53 = 2,320.89 : x
  2. Step 2: Convert to fraction form
    6,480.99/9,723.53 = 2,320.89/x
  3. Step 3: Cross multiply
    6,480.99x = 9,723.53 × 2,320.89
  4. Step 4: Simplify right side
    6,480.99x = 22,567,256.25
  5. Step 5: Solve for x
    x = 22,567,256.25/6,480.99
  6. Step 6: Final answer
    x = 3,482.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.